CN106500266A - The control method and device of air-conditioner and its duplex cylinder compressor - Google Patents
The control method and device of air-conditioner and its duplex cylinder compressor Download PDFInfo
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- CN106500266A CN106500266A CN201610970270.4A CN201610970270A CN106500266A CN 106500266 A CN106500266 A CN 106500266A CN 201610970270 A CN201610970270 A CN 201610970270A CN 106500266 A CN106500266 A CN 106500266A
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- cylinder compressor
- duplex cylinder
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- voltage
- voltage threshold
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
- F25B49/022—Compressor control arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/65—Electronic processing for selecting an operating mode
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/40—Pressure, e.g. wind pressure
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Signal Processing (AREA)
- Life Sciences & Earth Sciences (AREA)
- Atmospheric Sciences (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Abstract
The invention discloses the control method and device of a kind of air-conditioner and its duplex cylinder compressor, wherein, the method comprising the steps of：The supply voltage of real-time detection air-conditioner is obtaining voltage detecting value；When needing to open duplex cylinder compressor, according to the mode of operation that voltage detecting value judges whether to open duplex cylinder compressor and determine after duplex cylinder compressor unlatching, wherein, the mode of operation after duplex cylinder compressor is opened includes single cylinder mode of operation and twin-tub mode of operation.The method according to the invention, can be in the case of mains ripple, it is ensured that the safety of duplex cylinder compressor operation.
Description
Technical field
The present invention relates to air-conditioner technical field, the control method of duplex cylinder compressor in more particularly to a kind of air-conditioner,
Plant the control device and a kind of air-conditioner of duplex cylinder compressor in air-conditioner.
Background technology
Constant speed duplex cylinder compressor has strict restriction to the use range of voltage under domestic environment, when brownout or mistake
Gao Shi, opens duplex cylinder compressor and will likely cause expendable damage to duplex cylinder compressor and circuit control panel.
Content of the invention
It is contemplated that at least solving one of technical problem in above-mentioned technology to a certain extent.For this purpose, the present invention
One purpose is the control method for proposing duplex cylinder compressor in a kind of air-conditioner, can in the case of mains ripple,
Ensure the safety of duplex cylinder compressor operation.
Second object of the present invention is the control device for proposing duplex cylinder compressor in a kind of air-conditioner.
Third object of the present invention is to propose a kind of air-conditioner.
For reaching above-mentioned purpose, first aspect present invention embodiment proposes a kind of control of duplex cylinder compressor in air-conditioner
Method, the method are comprised the following steps：The supply voltage of air-conditioner described in real-time detection is obtaining voltage detecting value；When needs are opened
When opening the duplex cylinder compressor, judge whether to open the duplex cylinder compressor according to the voltage detecting value and determine the twin-tub
Compressor open after mode of operation, wherein, the duplex cylinder compressor open after mode of operation include single cylinder mode of operation and
Twin-tub mode of operation.
The control method of duplex cylinder compressor in air-conditioner according to embodiments of the present invention, by the confession of real-time detection air-conditioner
Piezoelectric voltage is to obtain voltage detecting value, and when needing to open duplex cylinder compressor, judges whether that unlatching is double according to voltage detecting value
Mode of operation after cylinder compressor and determination duplex cylinder compressor unlatching.Double thereby, it is possible to be determined according to the supply voltage of air-conditioner
The working condition of cylinder compressor such that it is able in the case of mains ripple, it is ensured that the safety of duplex cylinder compressor operation.
In addition, can also be had according to the control method of duplex cylinder compressor in the air-conditioner of the above embodiment of the present invention proposition
Following additional technical characteristic：
According to one embodiment of present invention, when the duplex cylinder compressor runs, sentence always according to the voltage detecting value
Break and whether close the duplex cylinder compressor, or the duplex cylinder compressor is controlled in the single cylinder work according to the voltage detecting value
Switch between operation mode and twin-tub mode of operation.
Specifically, judge whether to open the duplex cylinder compressor according to the voltage detecting value and determine the twin-tub compression
Mode of operation after machine unlatching, including：Judge the voltage detecting value whether more than or equal to first voltage threshold value and less than second
Voltage threshold；If the voltage detecting value is less than the first voltage threshold value, forbid that the duplex cylinder compressor is opened；If
The voltage detecting value then allows the twin-tub pressure more than or equal to the first voltage threshold value and less than the second voltage threshold value
Contracting machine opens operation with the single cylinder mode of operation；If the voltage detecting value is more than or equal to the second voltage threshold value,
The voltage detecting value is determined whether whether less than tertiary voltage threshold value, wherein, the tertiary voltage threshold value is more than described the
Two voltage thresholds；If the voltage detecting value allows the duplex cylinder compressor with described less than the tertiary voltage threshold value
Twin-tub mode of operation opens operation；If the voltage detecting value is determined whether more than or equal to the tertiary voltage threshold value
Whether the voltage detecting value is less than the 4th voltage threshold, and wherein, the 4th voltage threshold is more than the tertiary voltage threshold value；
If the voltage detecting value allows the duplex cylinder compressor with the single cylinder mode of operation less than the 4th voltage threshold
Open operation；If the voltage detecting value is more than or equal to the 4th voltage threshold, forbid that the duplex cylinder compressor is opened.
Specifically, judge whether to close the duplex cylinder compressor according to the voltage detecting value, including：When the twin-tub pressure
When contracting machine is run with the single cylinder mode of operation, judge the voltage detecting value whether less than first voltage threshold value and the first difference
Sum；If the voltage detecting value closes the twin-tub less than the first voltage threshold value and the first difference sum
Compressor, and accumulative once closing number of times；Judge the closing number of times whether more than the first preset times；If the closing time
Number is then forbidden that the duplex cylinder compressor is attempted opening, and sends startup separator information more than first preset times.
Specifically, the duplex cylinder compressor is controlled in the single cylinder mode of operation and twin-tub work according to the voltage detecting value
Switch between operation mode, including：When the duplex cylinder compressor is run with the twin-tub mode of operation, the voltage is judged
Whether detected value is less than second voltage threshold value and the second difference sum；If the voltage detecting value is less than the second voltage threshold
Value and the second difference sum, then switch to the single cylinder mode of operation by the mode of operation of the duplex cylinder compressor, and tire out
Switching times of meter；Judge the switching times whether more than the second preset times；If the switching times are more than described
Second preset times, then forbid that the duplex cylinder compressor is attempted opening with the twin-tub mode of operation, and keep the twin-tub pressure
Contracting machine is run with the single cylinder mode of operation.
For reaching above-mentioned purpose, second aspect present invention embodiment proposes a kind of control of duplex cylinder compressor in air-conditioner
Device, the device include：Detection module, the detection module are used for the supply voltage of air-conditioner described in real-time detection obtaining electricity
Pressure detected value；Control module, the control module are used for when needing to open the duplex cylinder compressor, according to the voltage detecting
Value judges whether to open the duplex cylinder compressor and determines the mode of operation after the duplex cylinder compressor unlatching, wherein, described double
Mode of operation after cylinder compressor is opened includes single cylinder mode of operation and twin-tub mode of operation.
The control device of duplex cylinder compressor in air-conditioner according to embodiments of the present invention, empty by detection module real-time detection
Adjust the supply voltage of device to obtain voltage detecting value, control module, can be according to voltage detecting when needing to open duplex cylinder compressor
Value judges whether the mode of operation that opens duplex cylinder compressor and determine after duplex cylinder compressor unlatching.Thereby, it is possible to according to air-conditioner
Supply voltage determine the working condition of duplex cylinder compressor such that it is able in the case of mains ripple, it is ensured that twin-tub pressure
The safety of contracting machine operation.
In addition, can also be had according to the control device of duplex cylinder compressor in the air-conditioner of the above embodiment of the present invention proposition
Following additional technical characteristic：
According to one embodiment of present invention, the control module is when the duplex cylinder compressor runs, always according to described
Voltage detecting value judges whether to close the duplex cylinder compressor, or controls the duplex cylinder compressor according to the voltage detecting value
Switch between the single cylinder mode of operation and twin-tub mode of operation.
Specifically, the control module is used for judging whether the voltage detecting value is more than or equal to first voltage threshold value and little
In second voltage threshold value, and when the voltage detecting value is less than the first voltage threshold value, forbid that the duplex cylinder compressor is opened
Open, and when the voltage detecting value is more than or equal to the first voltage threshold value and is less than the second voltage threshold value, it is allowed to
The duplex cylinder compressor opens operation with the single cylinder mode of operation；The control module is more than or equal in the voltage detecting value
During the second voltage threshold value, whether the voltage detecting value is also determined whether less than tertiary voltage threshold value, and in the electricity
When pressure detected value is less than the tertiary voltage threshold value, it is allowed to which the duplex cylinder compressor opens operation with the twin-tub mode of operation,
Wherein, the tertiary voltage threshold value is more than the second voltage threshold value；The control module the voltage detecting value more than etc.
When the tertiary voltage threshold value, whether the voltage detecting value is also determined whether less than the 4th voltage threshold, and described
When voltage detecting value is less than four voltage threshold, it is allowed to which the duplex cylinder compressor opens fortune with the single cylinder mode of operation
OK, and when the voltage detecting value is more than or equal to four voltage threshold, forbid that the duplex cylinder compressor is opened, its
In, the 4th voltage threshold is more than the tertiary voltage threshold value.
Specifically, described device also includes display module, and wherein, the control module is used for working as the duplex cylinder compressor
When being run with the single cylinder mode of operation, judge the voltage detecting value whether less than first voltage threshold value and the first difference it
With, and when the voltage detecting value is less than the first voltage threshold value with the first difference sum, close the twin-tub pressure
Whether contracting machine, and accumulative once closing number of times, the control module also judge the closing number of times more than the first preset times, and
When the closing number of times is more than first preset times, forbid that the duplex cylinder compressor is attempted opening, and by described aobvious
Show that module sends startup separator information.
Specifically, the control module is used for, when the duplex cylinder compressor is run with the twin-tub mode of operation, judging
The voltage detecting value whether less than second voltage threshold value and the second difference sum, and in the voltage detecting value less than described the
When two voltage thresholds are with the second difference sum, the mode of operation of the duplex cylinder compressor is switched to the single cylinder Working mould
Formula, and add up switching times, whether the control module also judges the switching times more than the second preset times, and
When the switching times are more than second preset times, forbid that the duplex cylinder compressor is attempted opening with the twin-tub mode of operation
Open, and keep the duplex cylinder compressor to run with the single cylinder mode of operation.
For reaching above-mentioned purpose, third aspect present invention embodiment proposes a kind of air-conditioner, and which includes the present invention second
The control device of duplex cylinder compressor in the air-conditioner that aspect embodiment is proposed.
Air-conditioner according to embodiments of the present invention, can be in the case of mains ripple, it is ensured that duplex cylinder compressor is transported
Capable safety.
Description of the drawings
Fig. 1 is the flow chart of the control method of duplex cylinder compressor in air-conditioner according to the embodiment of the present invention；
Fig. 2 is the relation schematic diagram of the supply voltage according to one embodiment of the invention and duplex cylinder compressor working condition；
Fig. 3 is to be illustrated with the relation of duplex cylinder compressor working condition according to the supply voltage of another embodiment of the present invention
Figure；
Fig. 4 is to be illustrated with the relation of duplex cylinder compressor working condition according to the supply voltage of another embodiment of the invention
Figure；
Fig. 5 is the block diagram of the control device of duplex cylinder compressor in air-conditioner according to the embodiment of the present invention.
Specific embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from start to finish
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and be not considered as limiting the invention.
Below in conjunction with the accompanying drawings describing control method and the device of the air-conditioner and its duplex cylinder compressor of the embodiment of the present invention.
Fig. 1 is the flow chart of the control method of duplex cylinder compressor in air-conditioner according to the embodiment of the present invention.
It should be noted that the duplex cylinder compressor of the embodiment of the present invention can be constant speed duplex cylinder compressor, in normal conditions,
Which can be opened, close or switching working mode according to the running status of air-conditioner and power demand.
As shown in figure 1, in the air-conditioner of the embodiment of the present invention duplex cylinder compressor control method, comprise the following steps：
S1, the supply voltage of real-time detection air-conditioner is obtaining voltage detecting value.
S2, when needing to open duplex cylinder compressor, judges whether to open duplex cylinder compressor and determination according to voltage detecting value
Duplex cylinder compressor open after mode of operation, wherein, duplex cylinder compressor open after mode of operation include single cylinder mode of operation and
Twin-tub mode of operation.
When the working condition of the temperature difference according to room temperature and design temperature, electric current and other sensors judges now to need to open
When duplex cylinder compressor is to freeze or heat, can determine whether voltage detecting value whether more than or equal to first voltage threshold value U1 and less than second
Voltage threshold U0.
If voltage detecting value is less than first voltage threshold value U1, the supply voltage of current air-conditioner is too low, can forbid double
Cylinder compressor is opened, to avoid damaging duplex cylinder compressor.If voltage detecting value more than or equal to first voltage threshold value U1 and is less than
Second voltage threshold value U0, then currently the supply voltage of air-conditioner can support that duplex cylinder compressor only opens single cylinder, therefore can allow double
Cylinder compressor opens operation with single cylinder mode of operation.
If whether voltage detecting value more than or equal to second voltage threshold value U0, determines whether voltage detecting value less than the
Three voltage threshold U2, if voltage detecting value is less than tertiary voltage threshold value U2, currently the supply voltage of air-conditioner can be supported double
Cylinder compressor twin-tub is opened, and duplex cylinder compressor therefore can be allowed to open operation, wherein, tertiary voltage threshold with twin-tub mode of operation
Value U2 is more than second voltage threshold value U0.
If whether voltage detecting value more than or equal to tertiary voltage threshold value U2, determines whether voltage detecting value less than the
Four voltage threshold U3, if voltage detecting value is less than the 4th voltage threshold U3, currently the supply voltage of air-conditioner can be supported double
Cylinder compressor only opens single cylinder, and duplex cylinder compressor therefore can be allowed to open operation with single cylinder mode of operation.If voltage detecting value
It is more than or equal to the 4th voltage threshold U3, then the supply voltage of air-conditioner is too high, can forbids that duplex cylinder compressor is opened, to avoid damaging
Duplex cylinder compressor, wherein, the 4th voltage threshold U3 is more than tertiary voltage threshold value U2.
That is, when needing to open duplex cylinder compressor, as shown in Fig. 2 first voltage threshold value U1 and the 4th voltage threshold
Value U3 be able to can be made as the critical condition for judging whether to open duplex cylinder compressor, second voltage threshold value U0 and tertiary voltage threshold value U2
For judging that duplex cylinder compressor opens the critical condition of operation with single cylinder mode of operation or twin-tub mode of operation.
It should be noted that first to fourth above-mentioned voltage threshold can be according to supply voltage to duplex cylinder compressor operation
Actual influence and set.
In addition, in one embodiment of the invention, can also have on the control panel or remote control of air-conditioner and show
Screen, to show running status or fault message of air-conditioner etc..For example, when needing to open duplex cylinder compressor, if
Voltage detecting value is less than first voltage threshold value U1, then can remind user that current supply voltage is too low by display screen, be unsatisfactory for out
Open the condition of duplex cylinder compressor.
The control method of duplex cylinder compressor in air-conditioner according to embodiments of the present invention, by the confession of real-time detection air-conditioner
Piezoelectric voltage is to obtain voltage detecting value, and when needing to open duplex cylinder compressor, judges whether that unlatching is double according to voltage detecting value
Mode of operation after cylinder compressor and determination duplex cylinder compressor unlatching.Double thereby, it is possible to be determined according to the supply voltage of air-conditioner
The working condition of cylinder compressor such that it is able in the case of mains ripple, it is ensured that the safety of duplex cylinder compressor operation.
Additionally, in one embodiment of the invention, when duplex cylinder compressor runs, can also be judged according to voltage detecting value
Duplex cylinder compressor whether is closed, or duplex cylinder compressor is controlled in single cylinder mode of operation and twin-tub Working mould according to voltage detecting value
Switch between formula.
Specifically, when duplex cylinder compressor is run with single cylinder mode of operation, can determine whether voltage detecting value whether less than first
Voltage threshold and the first difference sum U1+A.If voltage detecting value is less than first voltage threshold value and the first difference sum U1+A,
Then show that although supply voltage disclosure satisfy that the condition that single cylinder is opened, cannot but meet the condition that single cylinder normally runs, now may be used
Close duplex cylinder compressor, and accumulative once closing number of times.That is, when duplex cylinder compressor is run with single cylinder mode of operation,
As shown in figure 3, first voltage threshold value can be used as the critical bar for judging whether to close duplex cylinder compressor with the first difference sum U1+A
Part.
After closing number of times is repeatedly accumulative, whether can determine whether to close number of times more than the first preset times, if turned off number of times
More than the first preset times, then forbid that duplex cylinder compressor is attempted opening, to avoid duplex cylinder compressor from frequently attempting opening, so that
Air-conditioner cannot normal work, or even cause to damage.Meanwhile, startup separator information can be sent, to inform user.Wherein, start
Fault message can be sent by above-mentioned display screen.
And when duplex cylinder compressor is run with twin-tub mode of operation, can determine whether voltage detecting value whether less than second voltage threshold
Value and the second difference sum U0+B.If voltage detecting value shows less than second voltage threshold value and the second difference sum U0+B
Although supply voltage disclosure satisfy that the condition that twin-tub is opened, and cannot but meet the condition that twin-tub normally runs, now can be by twin-tub
The mode of operation of compressor switches to single cylinder mode of operation, and adds up switching times.That is, when duplex cylinder compressor with
When twin-tub mode of operation is run, as shown in figure 4, second voltage threshold value and the second difference sum U0+B can be used as judging whether to switch
Critical condition to single cylinder mode of operation.
After switching times are repeatedly accumulative, whether switching times are can determine whether more than the second preset times, if switching times
More than the second preset times, then forbid that duplex cylinder compressor is attempted opening with twin-tub mode of operation, and duplex cylinder compressor is kept with list
Cylinder working mode operation, to avoid duplex cylinder compressor frequent switching mode of operation so that air-conditioner cannot normal work, or even
Cause to damage.In one embodiment of the invention, accumulative closing number of times and switching times can be after working condition be changed
Or remove after re-powering.
It should be noted that may impact to supply voltage after being opened due to duplex cylinder compressor, therefore twin-tub pressure
After operation opened by contracting machine, judge that the critical condition whether duplex cylinder compressor closes judges twin-tub with when needing and opening duplex cylinder compressor
The critical condition whether compressor is opened can be incomplete same, duplex cylinder compressor open operation after with need open duplex cylinder compressor
When, judging that duplex cylinder compressor opens the critical condition of operation with single cylinder mode of operation or twin-tub mode of operation also can incomplete phase
With.That is, the first above-mentioned difference A or the second difference B can be according to duplex cylinder compressor on supply voltage concrete impact
And set, which can be zero, or a positive number or negative.
For realizing that the control method of duplex cylinder compressor in the air-conditioner of above-described embodiment, the present invention also propose a kind of air-conditioner
The control device of middle duplex cylinder compressor.
As shown in figure 5, in the air-conditioner of the embodiment of the present invention duplex cylinder compressor control device, including 10 He of detection module
Control module 20.
Wherein, detection module 10 is used for the supply voltage of real-time detection air-conditioner obtaining voltage detecting value.Control module
20 are used for, when needing to open duplex cylinder compressor, judging whether to open duplex cylinder compressor according to voltage detecting value and determining twin-tub pressure
Mode of operation after the unlatching of contracting machine, wherein, the mode of operation after duplex cylinder compressor is opened includes single cylinder mode of operation and twin-tub work
Operation mode.
When the working condition of the temperature difference according to room temperature and design temperature, electric current and other sensors judges now to need to open
When duplex cylinder compressor is to freeze or heat, whether control module 20 can determine whether voltage detecting value more than or equal to first voltage threshold value U1
And it is less than second voltage threshold value U0.
If voltage detecting value is less than first voltage threshold value U1, the supply voltage of current air-conditioner is too low, control module
20 can forbid that duplex cylinder compressor is opened, to avoid damaging duplex cylinder compressor.If voltage detecting value is more than or equal to first voltage threshold
Value U1 and second voltage threshold value U0 is less than, then the supply voltage of current air-conditioner can support that duplex cylinder compressor only opens single cylinder, because
This control module 20 can allow duplex cylinder compressor to open operation with single cylinder mode of operation.
If voltage detecting value is more than or equal to second voltage threshold value U0, control module 20 can determine whether voltage detecting
Whether value is less than tertiary voltage threshold value U2, if voltage detecting value is less than tertiary voltage threshold value U2, the power supply of current air-conditioner
Voltage can support that duplex cylinder compressor twin-tub is opened, and therefore control module 20 can allow duplex cylinder compressor to open with twin-tub mode of operation
Row is started shipment, wherein, tertiary voltage threshold value U2 is more than second voltage threshold value U0.
If voltage detecting value is more than or equal to tertiary voltage threshold value U2, control module 20 can determine whether voltage detecting
Whether value is less than the 4th voltage threshold U3, if voltage detecting value is less than the 4th voltage threshold U3, the power supply of current air-conditioner
Voltage can support that duplex cylinder compressor only opens single cylinder, and therefore control module 20 can allow duplex cylinder compressor to open with single cylinder mode of operation
Start shipment row.If voltage detecting value is more than or equal to the 4th voltage threshold U3, the supply voltage of air-conditioner is too high, control module 20
Can forbid that duplex cylinder compressor is opened, to avoid damaging duplex cylinder compressor, wherein, the 4th voltage threshold U3 is more than tertiary voltage threshold value
U2.
That is, when needing to open duplex cylinder compressor, as shown in Fig. 2 first voltage threshold value U1 and the 4th voltage threshold
Value U3 be able to can be made as the critical condition for judging whether to open duplex cylinder compressor, second voltage threshold value U0 and tertiary voltage threshold value U2
For judging that duplex cylinder compressor opens the critical condition of operation with single cylinder mode of operation or twin-tub mode of operation.
It should be noted that first to fourth above-mentioned voltage threshold can be according to supply voltage to duplex cylinder compressor operation
Actual influence and set.
In addition, in one embodiment of the invention, in air-conditioner, the control device of duplex cylinder compressor may also include display
Module, display module are can be located on the control panel or remote control of air-conditioner, to show the running status or failure of air-conditioner
Information etc..For example, when needing to open duplex cylinder compressor, if voltage detecting value is less than first voltage threshold value U1, can
Remind user that current supply voltage is too low by display module, be unsatisfactory for the condition for opening duplex cylinder compressor.
The control device of duplex cylinder compressor in air-conditioner according to embodiments of the present invention, empty by detection module real-time detection
Adjust the supply voltage of device to obtain voltage detecting value, control module, can be according to voltage detecting when needing to open duplex cylinder compressor
Value judges whether the mode of operation that opens duplex cylinder compressor and determine after duplex cylinder compressor unlatching.Thereby, it is possible to according to air-conditioner
Supply voltage determine the working condition of duplex cylinder compressor such that it is able in the case of mains ripple, it is ensured that twin-tub pressure
The safety of contracting machine operation.
Additionally, in one embodiment of the invention, control module 20, can also be according to voltage when duplex cylinder compressor runs
Detected value judge whether close duplex cylinder compressor, or according to voltage detecting value control duplex cylinder compressor single cylinder mode of operation with
Switch between twin-tub mode of operation.
Specifically, when duplex cylinder compressor is run with single cylinder mode of operation, control module 20 can determine whether that voltage detecting value is
No less than first voltage threshold value U1 and the first difference A sum.If voltage detecting value is poor less than first voltage threshold value U1 and first
Value A sum, then show that although supply voltage disclosure satisfy that the condition that single cylinder is opened, cannot but meet the bar that single cylinder normally runs
Part, now control module 20 can close duplex cylinder compressor, and accumulative once close number of times.That is, when duplex cylinder compressor with
When single cylinder mode of operation is run, as shown in figure 3, first voltage threshold value U1 and the first difference A sum can be used as judging whether to close
The critical condition of duplex cylinder compressor.
After closing number of times is repeatedly accumulative, control module 20 can determine whether to close whether number of times is more than the first preset times, such as
Fruit is closed number of times and is more than the first preset times, then control module 20 forbids that duplex cylinder compressor is attempted opening, to avoid twin-tub from compressing
Machine is frequently attempted opening so that air-conditioner cannot normal work, or even cause to damage.Meanwhile, startup separator information can be sent,
To inform user.Wherein, startup separator information can be sent by above-mentioned display module.
And when duplex cylinder compressor is run with twin-tub mode of operation, control module 20 can determine whether whether voltage detecting value is less than
Second voltage threshold value U0 and the second difference B sum.If voltage detecting value less than second voltage threshold value U0 and the second difference B it
With then show that although supply voltage disclosure satisfy that the condition that twin-tub is opened, cannot but meet the condition of the normal operation of twin-tub, now
The mode of operation of duplex cylinder compressor can be switched to single cylinder mode of operation by control module 20, and add up switching times.Also
It is to say, when duplex cylinder compressor is run with twin-tub mode of operation, as shown in figure 4, second voltage threshold value U0 and the second difference B sum
Can be used as the critical condition for judging whether to switch to single cylinder mode of operation.
After switching times are repeatedly accumulative, control module 20 can determine whether whether switching times are more than the second preset times, such as
Fruit switching times are more than the second preset times, then control module 20 forbids that duplex cylinder compressor is attempted opening with twin-tub mode of operation,
And keep duplex cylinder compressor to run with single cylinder mode of operation, to avoid duplex cylinder compressor frequent switching mode of operation, so that empty
Adjust device cannot normal work, or even cause to damage.In one embodiment of the invention, accumulative closing number of times and switching times
Can remove after working condition is changed or after re-powering.
It should be noted that may impact to supply voltage after being opened due to duplex cylinder compressor, therefore twin-tub pressure
After operation opened by contracting machine, judge that the critical condition whether duplex cylinder compressor closes judges twin-tub with when needing and opening duplex cylinder compressor
The critical condition whether compressor is opened can be incomplete same, duplex cylinder compressor open operation after with need open duplex cylinder compressor
When, judging that duplex cylinder compressor opens the critical condition of operation with single cylinder mode of operation or twin-tub mode of operation also can incomplete phase
With.That is, the first above-mentioned difference A or the second difference B can be according to duplex cylinder compressor on supply voltage concrete impact
And set, which can be zero, or a positive number or negative.
Corresponding above-described embodiment, the present invention also propose a kind of air-conditioner.
The air-conditioner of the embodiment of the present invention, the control of duplex cylinder compressor in the air-conditioner proposed including the above embodiment of the present invention
Device processed, its specific embodiment can refer to above-described embodiment, for avoiding redundancy, will not be described here.
Air-conditioner according to embodiments of the present invention, can be in the case of mains ripple, it is ensured that duplex cylinder compressor is transported
Capable safety.
In describing the invention, it is to be understood that term " " center ", " longitudinal direction ", " horizontal ", " length ", " width ",
" thickness ", " on ", D score, "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outward ", " up time
The orientation of instruction such as pin ", " counterclockwise ", " axial direction ", " radially ", " circumference " or position relationship be based on orientation shown in the drawings or
Position relationship, is for only for ease of description description of the invention and simplified, rather than indicates or imply that the device or element of indication must
Therefore must be not considered as limiting the invention with specific orientation, with specific azimuth configuration and operation.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include one or more this feature.In describing the invention, " multiple " are meant that two or more,
Unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or integral；Can be that machinery connects
Connect, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, can be in two elements
The connection in portion or the interaction relationship of two elements.For the ordinary skill in the art, can be according to concrete feelings
Condition understands above-mentioned term concrete meaning in the present invention.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be with
It is the first and second feature directly contacts, or the first and second features is by intermediary mediate contact.And, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature are directly over second feature or oblique upper, or be merely representative of
Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be
One feature is immediately below second feature or obliquely downward, or is merely representative of fisrt feature level height less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy described with reference to the embodiment or example
Point is contained at least one embodiment or example of the present invention.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.And, the specific features of description, structure, material or feature can be with office
Combined in one or more embodiments or example in an appropriate manner.Additionally, in the case of not conflicting, the skill of this area
The feature of the different embodiments or example described in this specification and different embodiments or example can be tied by art personnel
Close and combine.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changes, replacing and modification.
Claims (11)
1. in a kind of air-conditioner duplex cylinder compressor control method, it is characterised in that comprise the following steps：
The supply voltage of air-conditioner described in real-time detection is obtaining voltage detecting value；
When needing to open the duplex cylinder compressor, according to the voltage detecting value judge whether to open the duplex cylinder compressor and
Determine the mode of operation after the duplex cylinder compressor unlatching, wherein, the mode of operation after the duplex cylinder compressor is opened includes list
Cylinder working pattern and twin-tub mode of operation.
2. in air-conditioner according to claim 1 duplex cylinder compressor control method, it is characterised in that in the twin-tub pressure
When contracting machine runs, judge whether to close the duplex cylinder compressor always according to the voltage detecting value, or examined according to the voltage
Measured value controls the duplex cylinder compressor and switches between the single cylinder mode of operation and twin-tub mode of operation.
3. in air-conditioner according to claim 1 and 2 duplex cylinder compressor control method, it is characterised in that according to described
Voltage detecting value judges whether to open the duplex cylinder compressor and determines the mode of operation after the duplex cylinder compressor unlatching, bag
Include：
Judge the voltage detecting value whether more than or equal to first voltage threshold value and less than second voltage threshold value；
If the voltage detecting value is less than the first voltage threshold value, forbid that the duplex cylinder compressor is opened；
If the voltage detecting value is more than or equal to the first voltage threshold value and less than the second voltage threshold value, institute is allowed
State duplex cylinder compressor and operation is opened with the single cylinder mode of operation；
If whether the voltage detecting value determines whether the voltage detecting value more than or equal to the second voltage threshold value
Tertiary voltage threshold value is less than, wherein, the tertiary voltage threshold value is more than the second voltage threshold value；
If the voltage detecting value allows the duplex cylinder compressor to work with the twin-tub less than the tertiary voltage threshold value
Pattern opens operation；
If whether the voltage detecting value determines whether the voltage detecting value more than or equal to the tertiary voltage threshold value
The 4th voltage threshold is less than, wherein, the 4th voltage threshold is more than the tertiary voltage threshold value；
If the voltage detecting value allows the duplex cylinder compressor to work with the single cylinder less than the 4th voltage threshold
Pattern opens operation；
If the voltage detecting value is more than or equal to the 4th voltage threshold, forbid that the duplex cylinder compressor is opened.
4. in air-conditioner according to claim 2 duplex cylinder compressor control method, it is characterised in that according to the voltage
Detected value judges whether to close the duplex cylinder compressor, including：
When the duplex cylinder compressor is run with the single cylinder mode of operation, judge the voltage detecting value whether less than the first electricity
Pressure threshold value and the first difference sum；
If the voltage detecting value closes the twin-tub pressure less than the first voltage threshold value and the first difference sum
Contracting machine, and accumulative once closing number of times；
Judge the closing number of times whether more than the first preset times；
If the closing number of times is more than first preset times, forbids that the duplex cylinder compressor is attempted opening, and send
Startup separator information.
5. in air-conditioner according to claim 2 duplex cylinder compressor control method, it is characterised in that according to the voltage
Detected value controls the duplex cylinder compressor and switches between the single cylinder mode of operation and twin-tub mode of operation, including：
When the duplex cylinder compressor is run with the twin-tub mode of operation, judge the voltage detecting value whether less than the second electricity
Pressure threshold value and the second difference sum；
If the twin-tub is compressed by the voltage detecting value less than the second voltage threshold value and the second difference sum
The mode of operation of machine switches to the single cylinder mode of operation, and adds up switching times；
Judge the switching times whether more than the second preset times；
If the switching times are more than second preset times, forbid that the duplex cylinder compressor is attempted with the twin-tub work
Operation mode is opened, and keeps the duplex cylinder compressor to run with the single cylinder mode of operation.
6. in a kind of air-conditioner duplex cylinder compressor control device, it is characterised in that include：
Detection module, the detection module are used for the supply voltage of air-conditioner described in real-time detection obtaining voltage detecting value；
Control module, the control module are used for, when needing to open the duplex cylinder compressor, being sentenced according to the voltage detecting value
The disconnected mode of operation that whether opens the duplex cylinder compressor and determine after the duplex cylinder compressor unlatching, wherein, the twin-tub pressure
Mode of operation after contracting machine is opened includes single cylinder mode of operation and twin-tub mode of operation.
7. in air-conditioner according to claim 6 duplex cylinder compressor control device, it is characterised in that the control module
When the duplex cylinder compressor runs, judge whether to close the duplex cylinder compressor, Huo Zhegen always according to the voltage detecting value
The duplex cylinder compressor is controlled according to the voltage detecting value to be cut between the single cylinder mode of operation and twin-tub mode of operation
Change.
8. in the air-conditioner according to claim 6 or 7 duplex cylinder compressor control device, it is characterised in that
Whether the control module is used for judging the voltage detecting value more than or equal to first voltage threshold value and less than second voltage
Threshold value, and when the voltage detecting value is less than the first voltage threshold value, forbid that the duplex cylinder compressor is opened, and in institute
When stating voltage detecting value more than or equal to the first voltage threshold value and being less than the second voltage threshold value, it is allowed to the twin-tub compression
Machine opens operation with the single cylinder mode of operation；
The control module also determines whether the electricity when the voltage detecting value is more than or equal to the second voltage threshold value
Whether pressure detected value is less than tertiary voltage threshold value, and when the voltage detecting value is less than the tertiary voltage threshold value, it is allowed to institute
State duplex cylinder compressor and operation is opened with the twin-tub mode of operation, wherein, the tertiary voltage threshold value is more than the second voltage
Threshold value；
The control module also determines whether the electricity when the voltage detecting value is more than or equal to the tertiary voltage threshold value
Whether pressure detected value is less than the 4th voltage threshold, and when the voltage detecting value is less than four voltage threshold, it is allowed to institute
State duplex cylinder compressor and operation is opened with the single cylinder mode of operation, and in the voltage detecting value more than or equal to the described 4th electricity
During pressure threshold value, forbid that the duplex cylinder compressor is opened, wherein, the 4th voltage threshold is more than the tertiary voltage threshold value.
9. in the air-conditioner according to claim 7 or 8 duplex cylinder compressor control device, it is characterised in that also include showing
Show module, wherein, the control module is used for when the duplex cylinder compressor is run with the single cylinder mode of operation, judges institute
Voltage detecting value is stated whether less than first voltage threshold value and the first difference sum, and described first is less than in the voltage detecting value
When voltage threshold is with the first difference sum, the duplex cylinder compressor, and accumulative once closing number of times, the control mould is closed
Whether block also judges the closing number of times more than the first preset times, and is more than first preset times in the closing number of times
When, forbid that the duplex cylinder compressor is attempted opening, and startup separator information is sent by the display module.
10. in the air-conditioner according to claim 7 or 8 duplex cylinder compressor control device, it is characterised in that the control
Module is used for when the duplex cylinder compressor run with the twin-tub mode of operation, judges that whether the voltage detecting value is less than the
Two voltage thresholds and the second difference sum, and in the voltage detecting value less than the second voltage threshold value and second difference
During sum, the mode of operation of the duplex cylinder compressor is switched to the single cylinder mode of operation, and adds up switching times, institute
State control module and whether the switching times are also judged more than the second preset times, and be more than described second in the switching times
During preset times, forbid that the duplex cylinder compressor is attempted opening with the twin-tub mode of operation, and keep the duplex cylinder compressor
Run with the single cylinder mode of operation.
11. a kind of air-conditioners, it is characterised in that include twin-tub pressure in the air-conditioner according to any one of claim 6-10
The control device of contracting machine.
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| CN201610970270.4A CN106500266B (en) | 2016-10-27 | 2016-10-27 | The control method and device of air conditioner and its duplex cylinder compressor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610970270.4A CN106500266B (en) | 2016-10-27 | 2016-10-27 | The control method and device of air conditioner and its duplex cylinder compressor |
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| CN106500266B CN106500266B (en) | 2019-07-30 |
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| CN109113979A (en) * | 2018-07-23 | 2019-01-01 | 珠海格力电器股份有限公司 | compressor control method, control device and control system |
| CN109945397A (en) * | 2019-03-29 | 2019-06-28 | 广东美的制冷设备有限公司 | Air conditioner and its dewing-proof method and device |
| CN111145520A (en) * | 2019-12-27 | 2020-05-12 | 深圳市创荣发电子有限公司 | Remote controller and control method |
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| CN109113979A (en) * | 2018-07-23 | 2019-01-01 | 珠海格力电器股份有限公司 | compressor control method, control device and control system |
| WO2020019642A1 (en) * | 2018-07-23 | 2020-01-30 | 珠海格力电器股份有限公司 | Compressor control method, control apparatus and control system |
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| CN111145520A (en) * | 2019-12-27 | 2020-05-12 | 深圳市创荣发电子有限公司 | Remote controller and control method |
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| Publication number | Publication date |
|---|---|
| CN106500266B (en) | 2019-07-30 |
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